Chess Puzzle #LhLqD — Expert, White to move, endgame

Position

White: king g2; rook g6; pawns a2/b2/c3/d6. Black: king f8; rook h4; pawns a7/b5/c6/e6. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: Kf7 — king f8→f7. Now White to move.
2. Best move: Rg8 — rook g6→g8. Opponent replies Kxg8 (king f7→g8, captures rook).
3. Best move: d7 — pawn d6→d7. Opponent replies Kf7 (king g8→f7).
4. Best move: d8=Q — pawn d7→d8, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, long, promotion, quiet move, rook endgame, sacrifice. The key move is Rg8.

Position data

FEN: 5k2/p7/2pPp1R1/1p6/7r/2P5/PP4K1/8 b - - 0 45

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